Q2 2026 · SEC CIK 0001115373
Christopher Bloomstran portfolio
SuperinvestorWealth managerSemper Augustus Investments Group LLC filed on 2026-08-14. Open SEC filings ↗
- Reported 13F value
- $884.6M
- Reported positions
- 50
- Eligible equities
- 45
- Holdings vs S&P 500, 3 years
- +3.0 pts
Average holding period of the top positions: 8.8 yrs. Holdings vs the S&P 500 over 1 and 5 years: +8.6 pts, +3.1 pts.
In its Q2 2026 13F, filed 2026-08-14, Semper Augustus Investments Group LLC reported 50 positions worth $884.6M. Its largest holdings were BERKSHIRE HATHAWAY INC DEL (BRK-B, 15.5%), ALASKA AIR GROUP INC (ALK, 10.6%), BERKSHIRE HATHAWAY INC DEL (BRK-A, 10.2%). Over the last 3 years its top holdings ran 3.0 points a year ahead of the S&P 500.
Reported holdings in the Q2 2026 snapshot.
The portfolio weight uses the full reported share-portfolio denominator. Weight changes compare Q1 2026 to Q2 2026; price moves also change weights, so these are not trade labels. “New” means the position was not in the previous 13F at all; “—” marks a small position the earlier filing data does not cover.
What Christopher Bloomstran bought and sold in Q2 2026, against Q1 2026.
New positions
- PAYX Paychex Inc2.4% of 13F
- SPGI S&P Global Inc.2.1% of 13F
- CTSH Cognizant Technology Solutions Corp1.7% of 13F
- MSFT Microsoft Corp0.0% of 13F
- MCHP Microchip Tech Inc0.0% of 13F
- SUNB Sunbelt Rentals Holdings Inc0.0% of 13F
- JNJ Johnson & Johnson0.0% of 13F
Added to
- BLDR Builders Firstsource Inc+142.6% shares
- AAPL Apple Inc+12.1% shares
- BRK-B Berkshire Hathaway Inc Del+8.0% shares
- OLN Olin Corp+6.1% shares
- ALK Alaska Air Group Inc+5.8% shares
- DIS Disney Walt Co+5.3% shares
Reduced
- SBUX Starbucks Corp Com-81.8% shares
- CMI Cummins Inc-67.2% shares
- FIVE Five Below, Inc.-45.2% shares
- NXPI Nxp Semiconductors N V-41.0% shares
- DINO Hf Sinclair Corp-30.1% shares
- VLO Valero Energy Corp-14.0% shares
- SGOV iShares 0-3 Month Treasury Bon-13.6% shares
- EQNR Equinor Asa-8.4% shares
Sold out
- FLEX Flex Ltdwas 0.0%
Share counts compared with the Q1 2026 13F; a split also changes share counts.
How the holdings did against the S&P 500.
- 1 year
- +28.1% /yr
- S&P 500 +20.1%
- 3 years
- +23.2% /yr
- S&P 500 +20.4%
- 5 years
- +14.8% /yr
- S&P 500 +11.6%
A portfolio of the filer's 20 largest 13F positions, weighted by value and rebuilt each quarter on the day the filing became public. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Questions about Christopher Bloomstran's portfolio
What stocks does Christopher Bloomstran own?
Semper Augustus Investments Group LLC's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 50 positions worth $884.6M. The largest are Berkshire Hathaway Inc Del (BRK-B) at 15.5%, Alaska Air Group Inc (ALK) at 10.6%, Berkshire Hathaway Inc Del (BRK-A) at 10.2%, Dollar Gen Corp New (DG) at 8.7% and Deckers Outdoor Corp (DECK) at 7.5%.
What did Christopher Bloomstran buy last quarter?
In Q2 2026, Semper Augustus Investments Group LLC added a new position in Paychex Inc (PAYX), a new position in S&P Global Inc. (SPGI), a new position in Cognizant Technology Solutions Corp (CTSH), a new position in Microsoft Corp (MSFT), a new position in Microchip Tech Inc (MCHP), Builders Firstsource Inc (BLDR) (+142.6% shares), Apple Inc (AAPL) (+12.1% shares) and Berkshire Hathaway Inc Del (BRK-B) (+8.0% shares), compared with its Q1 2026 filing.
What did Christopher Bloomstran sell last quarter?
In Q2 2026, Semper Augustus Investments Group LLC sold all of Flex Ltd (FLEX), Starbucks Corp Com (SBUX) (-81.8% shares), Cummins Inc (CMI) (-67.2% shares) and Five Below, Inc. (FIVE) (-45.2% shares), compared with its Q1 2026 filing.
How has Christopher Bloomstran's portfolio performed?
A portfolio copying Semper Augustus Investments Group LLC's 20 largest 13F holdings each quarter, from the day each filing was public, returned +23.2% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: +28.1% against +20.1%. Over 5 years: +14.8% a year against +11.6%.
When is Semper Augustus Investments Group LLC's next 13F filing due?
13F filings are due 45 days after each quarter ends. Semper Augustus Investments Group LLC's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.
How much money does Semper Augustus Investments Group LLC manage?
Semper Augustus Investments Group LLC reported $982.2M of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $884.6M.